Release 0.228#
General Changes#
Reduce excessive memory usage by ExchangeClient.
Improve coordinator stability on parsing functions that may create large constant arrays/maps/rows (e.g.,
SEQUENCE
,REPEAT
,ARRAY[...]
, etc) by delaying the evaluation on these functions on workers.Optimize queries with
LIMIT 0
.Allow Bing Tiles at zoom level 0.
Hive Changes#
Fix ORC writer rollback failure due to exception thrown during rollback.
Improve ORC read performance for variants and fixed width numbers.
Spi Changes#
Move most
RowExpression
utilities to thepresto-expressions
module.